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Finding the Fourth Proportional to 104,880.18, 157,259.53 and 71,640.42

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Solution

The fourth proportional to 104,880.18, 157,259.53 and 71,640.42 is: 107,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,880.18 : 157,259.53 = 71,640.42 : x
  2. Step 2: Convert to fraction form
    104,880.18/157,259.53 = 71,640.42/x
  3. Step 3: Cross multiply
    104,880.18x = 157,259.53 × 71,640.42
  4. Step 4: Simplify right side
    104,880.18x = 11,266,137,875.05
  5. Step 5: Solve for x
    x = 11,266,137,875.05/104,880.18
  6. Step 6: Final answer
    x = 107,419.13

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